PHOTOMETRY OF AN UNUSUAL SMALL DISTANT OBJECT 2016 ND21

T Hromakina, S Velichko, I Belskaya, Y Krugly… - Astronomy & Astrophysics …, 2019

We present the first-ever measurements of the surface colors and rotational
properties of a recently discovered distant object in an unusual orbit 2016 ND21. In
2017, this object was close to its perihelion, which allowed us to observe it with a 2.0 …